Shell Programming and Scripting

<tr>
  <td>Date</td>
  <td>Good Data 1 </td>
  <td>Good Data 2</td>
  <td>Good Data 3</td>
  <td>Needs Removed</td>
  <td>Needs Removed</td>
</tr>
<tr>
  <td>Date</td>
  <td>Good Data 1 </td>
  <td>Good Data 2</td>
  <td>Good Data 3</td>
  <td>Needs Removed</td>
  <td>Needs Removed</td>
</tr>

file
CT=0
while read LINE
do
    # Check to see if the LINE is non-empty, and has a <td> tag in it.
    if [ `echo $LINE |grep -c "<td>"` != ""  ] 
      then
       # Increase the TD counter by 1
        CT=$((CT+1))
        # Check to see if the TD counter is at 3
            if [ "$CT" -eq 3 ]
                then
                echo $CT
            fi    
     fi
done <test.html

awk '{if ($0~"</tr>"){n=0}if ($0~"<td>"){n++}}$0!~"<td>" || n<5' file

nawk '($0~/<\/*tr>/){n=!n}!n{x=0}/<td>/{++x}(x!=5&&x!=6)' infile

#!/bin/bash

CT=0
while read LINE
do
    [[ "$LINE" =~ "<tr>" ]] && CT=0
    [[ "$LINE" =~ "<td>" && $CT < 4 ]] && {
        echo "$LINE"
        (( CT++ ))
    }
done < infile

awk 'BEGIN{RS=ORS="<tr>";FS=OFS="\n"} {print $1,$2,$3,$4,$5,$NF}' infile